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Polyneuropathy due to acute arsenic intoxication: biopsy studies
H H Goebel1, P F Schmidt, J Bohl
1Department of Pathology, University of Mainz, FRG.
Journal of Neuropathology and Experimental Neurology
|March 1, 1990
Summary
Arsenic poisoning can cause nerve damage, leading to polyneuropathy. This study documents arsenic
Area of Science:
- Toxicology
- Neurology
- Pathology
Background:
- Arsenic ingestion can lead to severe toxic effects, including neurological damage.
- Polyneuropathy is a known complication of arsenic toxicity.
Observation:
- A patient ingested a large dose of arsenic, developing symmetric polyneuropathy with Wallerian degeneration.
- Nerve biopsy showed arsenic in myelinated fibers and signs of degeneration.
- After treatment, nerve biopsy revealed axonal regeneration without degeneration, and arsenic was no longer detectable.
Findings:
- Arsenic induces both nerve fiber degeneration and regeneration.
- Laser microprobe mass analysis (LAMMA) detected arsenic within myelinated nerve fibers.
- LAMMA is a valuable diagnostic tool for arsenic toxicity.
Implications:
- This case highlights the neuropathic potential of arsenic and its impact on nerve fibers.
- It demonstrates the utility of LAMMA in diagnosing arsenic-induced neuropathy.
- Understanding arsenic's effects on nerves aids in developing treatment strategies.